Lab Exercise 4

Question 1

Look through to make observations; magnifies the image 10x

Answer 1

Eyepiece (ocular lense)

Question 2

Rotates objective lenses into position to achieve different magnifications

Answer 2

Rotating nosepiece

Question 3

Scanning, low-power, and high-power lenses that magnify the image of an object as it projects light upward on to the body tube

Answer 3

Objective lenses

Question 4

Platform that holds the microscope slide

Answer 4

Stage

Question 5

Secures the microscope slide onto the mechanical stage

Answer 5

Stage Clips

Question 6

Concentrates and focuses the amount of light onto the microscope slide

Answer 6

Condenser

Question 7

Opens and closes the diaphragm, which adjusts the intensity of light entering the condenser, provides ability to control image contrast

Answer 7

Iris diaphragm lever

Question 8

Lamp that allows light to enter the condenser, objective lens, and eyepiece

Answer 8

Illuminator

Question 9

Turns on the light bulb

Answer 9

Illuminator switch

Question 10

Rests on flat surface and supports the microscope.

Answer 10

Base

Question 11

Located between the eyepiece and rotating nosepiece provides support and path for light.

Answer 11

Arm and Body Tube

Question 12

On vertical side of the microscope, connects base and body; used to help carry the microscope

Answer 12

Arm

Question 13

Used to get the image in focus under scanning or low power objective

Answer 13

Coarse Adjustment Knob

Question 14

Fine tuning the focus of the image under high-power objective

Answer 14

Fine Adjustment Knob